1.   Which number describes the spread of a set of data?
    A. mean B. mode
    C. range D. median
    Hint

  2.   Find the mean for the data set
99, 103, 140, 153, 109, 92, 125, 110, 140.
    A. 119 B. 140
    C. 110 D. 61
    Hint

  3.   Find the mode of the set of data.

24, 25, 30, 31, 31, 33, 34, 38, 41, 42, 44, 48, 49, 67

    A. 36 B. 34
    C. 67 D. 31
    Hint

  4.   Mary Jo wants to find the average of her friend's weekly allowances. Use the table below, and find the mean weekly allowance.
   
    A. $12.50 B. $5
    C. $10 D. $7.50
    Hint

  5.   Find the range of the data set 145, 612, 120, 349, 515, 212, 590.
    A. 445 B. 492
    C. 512 D. 470
    Hint